.bt-1,
.bt-2,
.m-nav a,
.m-nav b,
i {
    display: inline-block
}

.badge,
.vs {
    font-style: normal
}

.banner .s2 strong,
.browser .s_pane img,
.m-nav b {
    vertical-align: top
}

.bt-1:hover,
.bt-2:hover,
.m-nav a:hover {
    text-decoration: none
}

.application li,
.process ._text li {
    list-style-type: decimal
}

.banner,
.m-nav i,
.nav,
.yz-table .a,
.yz-table .i-1 {
    overflow: hidden
}

.pack-hd .s_e span i {
    margin-left: -3px;
    margin-bottom: 5px
}

.t50p {
    top: 50%
}

.l50p {
    left: 50%
}

i {
    background-image: no-repeat
}

.mr40 {
    margin-right: 40px
}

.header {
    margin-bottom: 0;
    border-bottom: 1px solid #ddd
}

.bt-1,
.bt-2 {
    font-size: 16px;
    padding: 0 1.5em
}

.bt-1 {
    height: 36px;
    line-height: 36px;
    background-color: #49A0EF
}

.bt-1:hover,
.bt-2:hover {
    background-color: #0078B9
}

.bt-1,
.bt-1:focus,
.bt-1:link,
.bt-1:visited {
    color: #fff
}

.bt-2 {
    height: 34px;
    line-height: 34px;
    border: 1px solid #49A0EF
}

.bt-2:hover {
    border-color: #cb3b1e;
    color: #fff
}

.m-nav {
    font-size: 18px
}

.m-nav a {
    color: #333;
    padding: 10px 0 20px;
    position: relative
}

.m-nav a:hover {
    color: #ff5353
}

.m-nav b {
    font-size: 0;
    width: 0;
    border-left: 1px solid #ddd;
    height: 15px;
    margin: 15px 10px 0
}

.m-nav i {
    display: none;
    position: absolute;
    bottom: 0;
    left: 50%;
    margin-left: -10px;
    height: 0;
    width: 0;
    border-bottom: 10px solid #ff5353;
    border-left: 10px dashed transparent;
    border-right: 10px dashed transparent
}

.m-nav .s_on {
    color: #ff5353
}

.m-nav .s_on i {
    display: block
}

.banner {
    height: 425px;
    color: #fff;
    position: relative
}

.banner .s_bg {
    position: absolute;
    top: 60%;
    left: 50%;
    margin: -192px 0 0 -548px;
    width: 548px;
    height: 370px
}

.banner .s_qj {
    position: absolute;
    top: 140px;
    width: 358px;
    left: 50%;
    margin-left: 80px;
    text-align: center;
    color: #fff;
    z-index: 2
}

.banner .bt {
    margin-top: 5px;
    display: inline-block;
    height: 37px;
    width: 149px;
    line-height: 37px;
    background-color: #f7e785;
    font-size: 18px
}

.banner {
    background: url("../img/gw/banner3.jpg")center center no-repeat;
    height: 480px;
}

.banner .s1 {
    font-size: 16px
}

.banner h3 {
    font-size: 44px;
    margin-bottom: 10px
}

.banner .s2 {
    background-color: #f7e784;
    font-size: 16px;
    color: #ff5353;
    text-align: center;
    height: 27px;
    line-height: 27px;
    margin-bottom: 15px;
    position: relative
}

.banner .s2 strong {
    font-size: 2em;
    font-weight: 400
}

.banner .s2 b,
.banner .s2 i {
    position: absolute;
    top: 0;
    border-top: 13px dashed transparent;
    border-bottom: 13px dashed transparent;
    height: 0;
    width: 0
}

.banner .s2 i {
    left: 0
}

.banner .s2 b {
    right: 0
}

.banner .s4 {
    text-align: left;
    font-size: 16px;
    line-height: 40px
}

.browser .s_pane li,
.browser .s_tab,
.browser .s_tab a,
.card-safe li,
.m-content,
.mark,
.nav-sub,
.nav-sub a,
.phone-tool span,
.text-box,
.thumb-box,
.u-nav,
.vs {
    text-align: center
}

.banner .s4 strong {
    font-size: 24px;
    color: #f7e785;
    font-weight: 400
}

.banner .s4 small {
    display: block
}

.banner .s4 del {
    color: #fff
}

.banner .s5 {
    margin-bottom: 10px
}



.banner .s6,
.banner .s7,
.banner .s_qj {
    visibility: hidden;
    opacity: 0
}

.banner-on .s6,
.banner-on .s7,
.banner-on .s_qj {
    visibility: visible;
    opacity: 1
}

.header {
    display: none
}

.nav-sub {
    padding: 60px 0 40px;
    font-size: 0
}

.nav-sub a {
    font-size: 14px;
    display: inline-block;
    width: 14em;
    padding: 5px 0;
    border: 1px solid #49A0EF;
    margin-right: -1px;
    color: #333
}

.nav-sub a:hover {
    color: #49A0EF
}

.nav-sub .s_on {
    color: #fff;
    background-color: #49A0EF
}

.nav-sub .s_on:hover {
    color: #fff
}

.vs {
    height: 69px;
    width: 69px;
    line-height: 65px;
    color: #999;
    font-size: 38px;
    background-image: url("../img/gw/d21ab57f-a3da-4cd4-9c71-ed8287f0e306.png");
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -moz-font-feature-settings: "liga", "kern"
}

.vs-box {
    position: relative
}

.vs-box .vs {
    position: absolute;
    top: 50%;
    left: 50%;
    margin: -35px 0 0 -35px
}

.screen {
    padding: 60px 0
}

.screen-first {
    padding: 20px 0 60px
}

.screen .wrap {
    width: 1040px
}

.screen-gray {
    background-color: #f8f8f8
}

.text-box {
    margin-bottom: 70px
}

.text-box h3 {
    font-weight: 400;
    color: #49A0EF;
    font-size: 30px;
    margin-bottom: .5em
}

.text-box p {
    color: #555;
    margin-bottom: .5em
}

.col2 .s_col {
    width: 50%;
    float: left;
    display: inline
}

.thumb-box {
    position: relative;
    margin: 0 auto
}

.mark,
.phone-tool-logo,
.thumb-box .s_thumb {
    position: absolute
}

.thumb-box .s_bg {
    margin: 0 auto 30px;
    display: block
}

.qq-before {
    width: 364px
}

.qq-before .s_thumb {
    top: 2px;
    left: 51px
}

.qq-after {
    width: 376px
}

.qq-after .s_thumb {
    top: -2px;
    left: 37px
}

.badge {
    font-size: 12px;
    padding: 5px 30px;
    border-radius: 3px
}

.badge-before {
    border: 1px dashed #999;
    color: #999
}

.badge-after {
    border: 1px dashed #49A0EF;
    color: #49A0EF
}

.qq-m-after,
.qq-m-before {
    width: 277px
}

.qq-m-before .s_thumb {
    top: 2px;
    left: -39px
}

.qq-m-after .s_thumb {
    top: 2px;
    left: -15px
}

.sg-after,
.sg-before {
    width: 360px
}

.sg-after .s_thumb {
    top: -5px;
    left: 155px
}

.sg-num-after,
.sg-num-before,
.tx-after,
.tx-before {
    width: 184px
}

.phone-tool-logo {
    top: 50px;
    left: 15px
}

.sg-num-before .s_thumb,
.tx-before .s_thumb {
    top: 60px;
    left: -8px
}

.sg-num-after .s_thumb,
.tx-after .s_thumb {
    top: 45px;
    left: -16px
}

.screen-5 .wrap {
    width: 830px
}

.phone-tool-nav a {
    font-size: 12px;
    color: #999;
    border-bottom: 2px dashed transparent;
    padding: 4px 0;
    margin: 0 20px
}

.phone-tool-nav .s_on {
    border-bottom: 2px solid #49A0EF
}

.phone-tool-nav a:hover {
    color: #49A0EF
}

.mark {
    top: -30px;
    right: -30px;
    z-index: 30;
    background: url("../img/gw/mark.png");
    height: 59px;
    width: 59px;
    line-height: 59px;
    color: #fff;
    font-size: 24px
}

.browser,
.browser .s_pane {
    position: relative
}

.mark2 {
    font-size: 13px;
    line-height: 1.2
}

.mark2 span {
    display: block;
    margin-top: 15px
}

._hyl {
    top: 36%;
    left: 58px
}

._hyr {
    right: 72px;
    top: 26px
}

.m-browser-img,
.m_hyl,
.m_hyr {
    display: none
}

.detect-box {
    background: url("../img/gw/f8f361e1-d242-412d-9243-fc392f6cfc1c.png") center no-repeat;
    height: 406px
}

.detect-box .s_p {
    top: 100px;
    left: 20px;
    text-align: center;
    width: 300px;
    color: #999
}

.detect-box .s_p strong {
    color: #777
}

.detect-box .s_p1 {
    top: 237px;
    left: -37px
}

.detect-box .s_p2 {
    top: 80px;
    left: 370px
}

.detect-box .s_p3 {
    top: 237px;
    left: 773px
}

.browser .s_pane {
    height: 277px;
    margin-bottom: 30px
}

.browser .s_pane li {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    top: 10px;
    left: 0;
    width: 100%;
    height: 100%
}

.browser .s_pane .s_active {
    visibility: visible;
    opacity: 1;
    top: 0
}

.browser .s_tab b,
.browser .s_tab img {
    vertical-align: middle
}

.browser .s_tab {
    font-size: 12px
}

.browser .s_tab a {
    display: inline-block;
    color: #999;
    margin: 0 20px
}

.browser .s_tab span {
    display: block
}

.browser .s_tab i {
    width: 46px;
    height: 45px;
    line-height: 40px;
    background-position: 0 0
}

.browser .s_tab .s_active,
.browser .s_tab a:hover {
    color: #49A0EF
}

.browser .s_tab b,
.browser .s_tab i {
    background-image: url("../img/gw/39ae8cb2-5e77-4d33-a56f-107ad7109413.png")
}

.browser .s_tab b {
    display: inline-block;
    background-repeat: no-repeat
}

.browser .s_tab .s_active i,
.browser .s_tab a:hover i {
    background-position: 0 -47px
}

.i-b-yy {
    width: 28px;
    height: 29px;
    background-position: -48px 0
}

.i-b-sg {
    width: 28px;
    height: 27px;
    background-position: -48px -31px
}

.i-b-qq {
    width: 25px;
    height: 24px;
    background-position: -48px -60px
}

.phone-tool span {
    width: 184px;
    display: inline-block;
    position: relative;
    color: #999;
    cursor: pointer;
    top: -30px;
    left: 50px
}

.phone-tool span i {
    width: 100%;
    height: 354px;
    line-height: 354px;
    display: block;
    margin-bottom: 20px
}

.phone-tool img {
    width: 50%;
    height: auto;
    vertical-align: bottom;
    opacity: .6
}

.phone-tool .s_active img {
    width: 100%;
    opacity: 1
}

.phone-tool .s_active strong {
    display: inline-block;
    padding-bottom: 5px;
    border-bottom: 2px solid #f7a898
}

.show_ani .phone-tool span {
    top: 0;
    left: 0
}

.screen-6 .img-box {
    margin-left: -40px
}

.card-safe {
    width: 407px;
    height: 277px;
    line-height: 277px;
    margin: 0 auto
}

.card-safe li {
    position: absolute;
    left: 50%;
    width: 100px;
    height: 100px;
    color: #bbb;
    line-height: 1.2;
    cursor: pointer
}

.card-safe li span {
    display: block;
    height: 67px;
    width: 67px;
    line-height: 67px;
    margin: 0 auto 5px;
    background-repeat: no-repeat
}

.card-safe .s_bg {
    width: 0;
    height: auto;
    vertical-align: bottom
}

.i-cs-1,
.i-cs-2,
.i-cs-3,
.i-cs-4,
.i-cs-5,
.i-cs-6 {
    width: 67px;
    height: 67px
}

.card-safe li span i,
.yz-table th {
    vertical-align: top
}

.card-safe strong {
    font-weight: 400
}

.card-safe .s_1 {
    margin-left: -250px;
    top: 156px
}

.card-safe .s_2 {
    margin-left: -205px;
    top: 40px
}

.card-safe .s_3 {
    margin-left: -110px;
    top: -25px
}

.card-safe .s_4 {
    margin-left: 10px;
    top: -25px
}

.card-safe .s_5 {
    margin-left: 105px;
    top: 40px
}

.card-safe .s_6 {
    margin-left: 150px;
    top: 156px
}

.card-safe .s_active strong {
    color: #d84e15
}

.card-safe li {
    margin-top: 10px;
    opacity: 0
}

.card-safe li span,
.card-safe li span i {
    background-image: url("../img/gw/75051a5a-7799-42a6-a82e-8898dae4cd8d.png")
}

.i-cs-1 {
    background-position: 0 0
}

.i-cs-2 {
    background-position: 0 -69px
}

.i-cs-3 {
    background-position: 0 -138px
}

.i-cs-4 {
    background-position: 0 -207px
}

.i-cs-5 {
    background-position: 0 -276px
}

.i-cs-6 {
    background-position: 0 -345px
}

.card-safe li span {
    background-position: 0 -483px
}

.card-safe .s_active span {
    color: #d84e15;
    margin-bottom: 5px;
    background-position: 0 -414px
}

.show_ani .card-safe li {
    margin-top: 0;
    opacity: 1
}

.show_ani .card-safe .s_bg {
    width: 407px
}

.secure-box {
    min-height: 270px
}

.secure-box .secure-in {
    float: right
}

.secure-box ._nav {
    border-right: 1px solid #49A0EF;
    display: inline-block;
    margin-bottom: 40px
}

.secure-box ._nav a {
    float: left;
    border: 1px solid #49A0EF;
    border-right: none;
    color: #49A0EF;
    cursor: pointer;
    padding: .3em 1.3em
}

.secure-box ._nav ._on {
    background: #49A0EF;
    color: #fff
}

.secure-box ._text {
    width: 35em;
    color: #999
}

.secure-box ._text ._on,
.u-nav a {
    color: #49A0EF
}

.secure-box ._text li {
    margin-bottom: 30px
}

.secure-box ._text i {
    border-left: 7px solid #49A0EF;
    border-top: 7px dotted transparent;
    border-right: 7px dotted transparent;
    border-bottom: 7px dotted transparent;
    display: none;
    margin-top: -2px
}

.m-content .f-ser,
.m-content .list2,
.secure-box ._text ._on i,
.u-nav a {
    display: inline-block
}

.secure-box ._text img {
    left: 0;
    top: 36px;
    opacity: 0;
    transition: all .3s
}

.secure-box ._text ._img1 {
    top: 10px;
    left: 57px
}

.secure-box ._text ._img3 {
    top: 50px;
    left: 30px
}

.secure-box ._text ._img4 {
    top: 10px
}

.secure-box ._text ._on img {
    opacity: 1;
    top: 46px
}

.secure-box ._text ._on ._img1 {
    top: 20px
}

.secure-box ._text ._on ._img3 {
    top: 60px
}

.secure-box ._text ._on ._img4 {
    top: 0
}

.u-nav {
    padding-top: 50px;
    font-size: 0
}

.u-nav a {
    border: 1px solid #49A0EF;
    cursor: pointer;
    width: 93px;
    line-height: 32px;
    margin-right: -1px;
    font-size: 14px
}

.u-nav ._on {
    background: #49A0EF;
    color: #fff
}

.m-content .f1,
.m-content .f2,
.m-content .f3 {
    background-repeat: no-repeat
}

.m-content {
    height: 192px;
    position: relative
}

.m-content ul {
    opacity: 0;
    transition: all .3s;
    position: absolute;
    left: 50%;
    top: 50%;
    margin-left: -420px;
    -webkit-transform: translateY(-50%);
    transform: translateY(-50%)
}

.m-content ._on {
    opacity: 1;
    visibility: visible;
    margin-left: -520px
}

.m-content .f-ser {
    height: 102px
}

.m-content .f1 {
    background-image: url("../img/gw/7.png");
    width: 40px
}

.m-content .f2 {
    background-image: url("../img/gw/10.png");
    width: 90px
}

.m-content .f3 {
    background-image: url("../img/gw/userM.png");
    width: 80px;
    background-position: left bottom
}

.m-content .list2 {
    width: 75px;
    color: #777;
    margin-left: 10px
}

.m-content .list2 span {
    display: inline-block;
    width: 75px;
    line-height: 50px;
    text-align: left
}

.m-content .characteristic i {
    height: 149px
}

.m-content .characteristic .i1 {
    background-image: url("../img/gw/i1.png");
    width: 126px;
    background-position: center center
}

.m-content .characteristic .i2 {
    background-image: url("../img/gw/i2.png");
    width: 166px;
    background-position: center center
}

.m-content .characteristic .i3 {
    background-image: url("../img/gw/i3.png");
    width: 163px;
    background-position: center center
}

.m-content .characteristic span {
    display: block;
    color: #777;
    margin-top: 20px
}

.pack-wrap {
    width: 800px;
    padding-bottom: 20px;
    padding-left: 10px
}

.yz-table {
    color: #666;
    font-size: 12px;
    padding-bottom: 20px;
    background-color: #fbfbfb
}

.yz-table th {
    border: 1px solid #ddd;
    height: 235px;
    text-align: center
}

.yz-table .i-1,
.yz-table .list1 span {
    vertical-align: middle;
    display: inline-block
}

.pack-a {
    height: 100%;
    width: 202px;
    font-size: 18px;
    color: #666;
    font-weight: 400
}

.pack-a .s1 {
    top: 51px;
    left: 90px;
    z-index: 1
}

.pack-a .s2 {
    left: 12px;
    top: 157px
}

.pack-a .s3 {
    top: 0;
    left: 0;
    height: 0;
    width: 0;
    border-right: 102px solid #ddd;
    border-top: 118px solid #ddd;
    border-left: 102px dashed transparent;
    border-bottom: 118px dashed transparent
}

.pack-a .s3 b {
    position: absolute;
    top: -118px;
    left: -101px;
    height: 0;
    width: 0;
    border-right: 101px solid #fbfbfb;
    border-top: 117px solid #fbfbfb;
    border-left: 101px dashed transparent;
    border-bottom: 117px dashed transparent
}

.yz-table td {
    border: 1px solid #ddd;
    text-align: center
}

.yz-table .list2 {
    width: 194px;
    background-color: #fff
}

.yz-table .s_a {
    height: 97px;
    margin-bottom: 24px;
    background: url("../img/gw/213bf3d2-b623-43b3-8f28-3734f665b81b.png") -1px -13px no-repeat
}

.yz-table .s_a strong {
    position: absolute;
    top: 20px;
    left: 0;
    width: 100%;
    font-size: 22px;
    font-weight: 400
}

.yz-table .s_d {
    position: absolute;
    bottom: 20px;
    left: 0;
    width: 100%
}

.yz-table .list1 {
    padding: 0 10px;
    width: 1em
}

.yz-table .list1 span {
    width: 1em;
    line-height: 1.2
}

.yz-table .vip {
    -webkit-transform: rotate(90deg);
    transform: rotate(90deg);
    margin: 0 0 4px -2px
}

.yz-table .list3 {
    padding: 0 10px;
    text-align: left;
    line-height: 40px;
    width: 150px
}

.yz-table .list3 em {
    background-color: #49A0EF;
    padding: 0 6px;
    display: inline-block;
    border-radius: 8px;
    color: #fff;
    height: 16px;
    line-height: 16px;
    margin-left: 4px
}

.yz-table .i-1 {
    width: 18px;
    height: 18px;
    background: url("../img/gw/9d61a4de-9427-4269-8c29-1dc1f4d0dd67.png") no-repeat;
    cursor: pointer;
    font-size: 0;
    line-height: 0
}

.yz-table .a {
    color: #333;
    width: 11px;
    height: 1px;
    background-color: #333;
    display: inline-block
}

.yz-table .list2 p {
    color: #999;
    padding: 0 10px;
    text-align: left
}

.yz-table .tb_b {
    background-color: #fbfbfb
}

.yz-table .tb_r {
    height: 76px
}

.pack-wrap .attention {
    margin: 20px 80px;
    color: #999;
    text-align: left
}

.application,
.process {
    text-align: justify
}

.pack-wrap .attention strong {
    font-weight: 400;
    color: #49A0EF
}

.yz-table .bt-3 {
    display: inline-block;
    padding: 0 40px;
    height: 30px;
    line-height: 30px;
    color: #49A0EF;
    border: 1px solid #49A0EF;
    position: relative;
    z-index: 2
}

.bt-3:focus,
.yz-table .bt-3:hover {
    text-decoration: none
}

.yz-table .attention_r {
    border-bottom: none;
    border-left: none;
    border-right: none;
    background-color: #fff;
    z-index: 10
}

.yz-table .list2:hover .bt-3 {
    background-color: #fff;
    border-color: #fff;
    color: #49A0EF
}

.yz-table .c_bd {
    height: 235px
}

.yz-table .tb-shadow {
    width: 100%;
    height: 968px;
    position: absolute;
    left: 0;
    bottom: -733px;
    z-index: 1
}

.yz-table .s_th:hover .tb-shadow {
    box-shadow: 0 0 10px rgba(0, 0, 0, .4);
    height: 988px
}

.yz-table .s_th:hover .c_bd {
    margin-top: -20px;
    height: 255px;
    background-color: #49A0EF;
    color: #fff;
    border-color: #49A0EF
}

.trans5 {
    transition: all .5s
}

.trans-delayd5 {
    transition-delay: .5s
}

.trans-delayd7 {
    transition-delay: .7s
}

.trans-delayd9 {
    transition-delay: .9s
}

.trans-delay1 {
    transition-delay: 1s
}

.trans-delay1d1 {
    transition-delay: 1.1s
}

.trans-delay1d2 {
    transition-delay: 1.2s
}

.trans-delay1d5 {
    transition-delay: 1.5s
}

.trans-delay2 {
    transition-delay: 2s
}

.trans-delay2d5 {
    transition-delay: 2.5s
}

.trans-delay3 {
    transition-delay: 3s
}

.animated {
    -webkit-animation-duration: 1s;
    animation-duration: 1s;
    -webkit-animation-fill-mode: both;
    animation-fill-mode: both
}

.process {
    width: 800px
}

.application,
.process ._text {
    width: 600px;
    font-size: 100%;
    line-height: 1.8
}

.process ._list {
    margin: 8px 0
}

.process ._list li {
    list-style: none
}

.process a {
    color: #49A0EF
}

.application ol {
    padding-left: 1em
}

.application li {
    margin: 5px 0
}

@-webkit-keyframes bounceIn {
    0%,
    100%,
    20%,
    40%,
    60%,
    80% {
        transition-timing-function: cubic-bezier(.215, .61, .355, 1)
    }
    0% {
        opacity: 0;
        -webkit-transform: scale3d(.3, .3, .3);
        transform: scale3d(.3, .3, .3)
    }
    20% {
        -webkit-transform: scale3d(1.1, 1.1, 1.1);
        transform: scale3d(1.1, 1.1, 1.1)
    }
    40% {
        -webkit-transform: scale3d(.9, .9, .9);
        transform: scale3d(.9, .9, .9)
    }
    60% {
        opacity: 1;
        -webkit-transform: scale3d(1.03, 1.03, 1.03);
        transform: scale3d(1.03, 1.03, 1.03)
    }
    80% {
        -webkit-transform: scale3d(.97, .97, .97);
        transform: scale3d(.97, .97, .97)
    }
    100% {
        opacity: 1;
        -webkit-transform: scale3d(1, 1, 1);
        transform: scale3d(1, 1, 1)
    }
}

@keyframes bounceIn {
    0%,
    100%,
    20%,
    40%,
    60%,
    80% {
        transition-timing-function: cubic-bezier(.215, .61, .355, 1)
    }
    0% {
        opacity: 0;
        -webkit-transform: scale3d(.3, .3, .3);
        transform: scale3d(.3, .3, .3)
    }
    20% {
        -webkit-transform: scale3d(1.1, 1.1, 1.1);
        transform: scale3d(1.1, 1.1, 1.1)
    }
    40% {
        -webkit-transform: scale3d(.9, .9, .9);
        transform: scale3d(.9, .9, .9)
    }
    60% {
        opacity: 1;
        -webkit-transform: scale3d(1.03, 1.03, 1.03);
        transform: scale3d(1.03, 1.03, 1.03)
    }
    80% {
        -webkit-transform: scale3d(.97, .97, .97);
        transform: scale3d(.97, .97, .97)
    }
    100% {
        opacity: 1;
        -webkit-transform: scale3d(1, 1, 1);
        transform: scale3d(1, 1, 1)
    }
}

.bounceIn {
    -webkit-animation-name: bounceIn;
    animation-name: bounceIn;
    -webkit-animation-duration: .75s;
    animation-duration: .75s
}

.m-website {
    display: none
}

.nav {
    background-color: rgba(0, 0, 0, .6);
    z-index: 999;
    top: -52px;
    font-size: 16px;
    visibility: hidden;
    opacity: 0;
    height: 100%
}